Question about Sylvania 6620LF4 20 in. EDTV-Ready LCD Television
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Posted on Jan 02, 2017
I don't know if your set has a separate power supply but this sounds like the failure of a low-voltage circuit supplying power to the section which modulates the individual pixels on your display.
Sylvania is one of several names owned by Funai which is the worst of all Asian manufacturers.
Posted on Jul 04, 2010
SOURCE: My LCD sylvania flat screen
This problems is the Tuner board is dead.That the board,where the broscating in comming signal cable plug into it.Take ur tv aparts.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish Tuner board for the replacement.
Posted on Sep 04, 2010
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